[Tutor] beginning to code
INADA Naoki
songofacandy at gmail.com
Tue Sep 12 11:28:39 EDT 2017
> floats = [1.5, 1.9, 2.0, 1.0]
> unique_integers = len(set(int(f) for f in floats))
And it can be written with set comprehension too.
>>> floats = [1.5, 1.9, 2.0, 1.0]
>>> len({int(x) for x in floats})
2
As my personal recommendation, map is OK only
when first argument is predefined.
In other words, I strongly prefer comprehension to map+lambda.
Regards,
INADA Naoki <songofacandy at gmail.com>
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